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"For a root cellar, a very clever designer covered the entire basement slab with dimple mat (Delta FL), then R-10 of XPS, then subfloor, etc.
The root cellar is a large closet in the basement that is air-sealed and insulated from the rest…"

"Ted Kidd,
The savings would depend on the leakiness and insulation of your home and the number of hours the home is unoccupied. My husband and I both work so our thermostat setting goes down to 50 from 7am to 7pm. I'm also a fan of…"

"I am surprised by the heated anit-Nest responses. While the "Home Energy Pro" reader has their programmable thermostat optimally tuned for maximum energy savings, recent EnergyStar research shows that the majority of typical…"

"National Grid's Deep Energy Retrofit has performed over 40 whole house superinsulation retrofit projects in Massachusetts and Rhode Island with exterior insulation on the walls and roof (typically interior insulation in the basement). You…"

"I respectfully disagree regarding running the mechanical ventilation when the windows are open. Many people live in regions of the country where they open their windows in mid-April and leave them open until mid-October. A common…"

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